The staircase is a fully welded construction. Each tread is a fabricated steel pan, and all treads and stringers are fully welded (no bolts)
The zig-zag width on this staircase is 150mm x 15mm, and the overall stair width is 500mm. The centre spine is connected to the landing plate, which in return connects to the structural steels in the floor.
I hope this helps, and let us know if you require further help
Design Fabrications Ltd
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